mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 15:12:02 +00:00
37 lines
1.1 KiB
MySQL
37 lines
1.1 KiB
MySQL
|
DROP TABLE IF EXISTS test;
|
||
|
|
CREATE TABLE test (a UInt8, b UInt8, c UInt16 ALIAS a + b) ENGINE = MergeTree ORDER BY a;
|
||
|
|
|
||
|
|
SELECT b FROM test PREWHERE c = 1;
|
||
|
|
|
||
|
|
DROP TABLE test;
|
||
|
|
|
||
|
|
drop table if exists audience_local;
|
||
|
|
create table audience_local
|
||
|
|
(
|
||
|
|
Date Date,
|
||
|
|
AudienceType Enum8('other' = 0, 'client' = 1, 'group' = 2),
|
||
|
|
UMA UInt64,
|
||
|
|
APIKey String,
|
||
|
|
TrialNameID UInt32,
|
||
|
|
TrialGroupID UInt32,
|
||
|
|
AppVersion String,
|
||
|
|
Arch Enum8('other' = 0, 'x32' = 1, 'x64' = 2),
|
||
|
|
UserID UInt32,
|
||
|
|
GroupID UInt8,
|
||
|
|
OSName Enum8('other' = 0, 'Android' = 1, 'iOS' = 2, 'macOS' = 3, 'Windows' = 4, 'Linux' = 5),
|
||
|
|
Channel Enum8('other' = 0, 'Canary' = 1, 'Dev' = 2, 'Beta' = 3, 'Stable' = 4),
|
||
|
|
Hits UInt64,
|
||
|
|
Sum Int64,
|
||
|
|
Release String alias splitByChar('-', AppVersion)[1]
|
||
|
|
)
|
||
|
|
engine = SummingMergeTree
|
||
|
|
PARTITION BY (toISOYear(Date), toISOWeek(Date))
|
||
|
|
ORDER BY (AudienceType, UMA, APIKey, Date, TrialNameID, TrialGroupID, AppVersion, Arch, UserID, GroupID, OSName, Channel)
|
||
|
|
SETTINGS index_granularity = 8192;
|
||
|
|
|
||
|
|
SELECT DISTINCT UserID
|
||
|
|
FROM audience_local
|
||
|
|
PREWHERE Date = toDate('2019-07-25') AND Release = '17.11.0.542';
|
||
|
|
|
||
|
|
drop table if exists audience_local;
|